[2] After that, she began studying acting at the age of 4, and signed with her manager and first agent in Fall of 1998.
In 2002, Castle won a Young Artist Award for "Best Performance In A Comedy Series - Guest Starring Young Actress" for her work on Lizzie McGuire in the episode "Just Like Lizzie".
[4] In the summer of 2007, Castle booked what is currently her largest role to date, a recurring part on the daytime drama Passions.
She plays Viki, the niece of Harmony resident Esme Vanderheusen.
In 2010, she played Amy Dillard in the episode "Nevada vs Senator Harper" of The Defenders.